Optical filters

Service stock filters,

Wavelength range UV, VIS, NIR & IR

Custom design

Manufacturing capabilities and QC

Technical information

Requests

RFQ – Filter Specification

Neutral Density Filters

Standard Neutral Density Filters in stock, subject to prior sales

If you don’t find a suitable filter for your application in the list below, please, contact Spectrogon’s sales team for further assistance. Go to request form.

Go to request form

General Specifications:

Diameter: 25.4 mm +0/-0.2 mm. Custom sizing
Thickness: Specified in the filter list below (mm), tol ±0.2 mm

IR ND filters are designed for 2000-16000 nm
ND UV-VIS filters are designed for 190-2500 nm
VIS ND filters are designed for 400-800 nm

Spectral measurements

Spectral curve at room temperature and normal incidence angle is supplied with each filter type.

Click on the Description, to see spectral characteristics for the filters in stock.

*For ND-UV-VIS-OD-3.0-Ø25.4×0.5 mm, Tmin 0.05% and Tmax 0.4%

ND-IR filter set, consisting of 6 types Ø25.4×1.0 mm filters with OD: 0.3, 0.6, 1.0, 1.45, 2.0 and 3.0
Qty: 1-4 sets Price: EUR 2.313,00/set

ND-IR filter set, consisting of 6 types Ø50.8×1.0 mm filters with OD: 0.3, 0.6, 1.0, 1.45, 2.0 and 3.0
Qty: 1-4 sets Price: EUR 5.624,00/set

ND-UV-VIS filter set, consisting of 6 types Ø25.4×1.0 mm filters with OD: 0.3, 0.6, 1.0, 1.45, 2.0 and 3.0
Qty: 1-4 sets Price: EUR 1.020,00/set

For spectral characteristics on each density, click on the individual filter (red) in the list above.

Send us your request for Neutral Density Filters (*Required information)

Company / Institution name *

VAT no (required for all EU customers)

Company / Institution address *

Name *

E-mail address *

Tel no *

ND - range (nm) *

ND - T/OD *

+/- nm *

Immediate requirement (pcs) *

Estimated yearly requirement (pcs)

Transmittance (min/max) (%)

Transmittance range (nm)

Angle of incidence (dgr)

Specification temperature (dgrCelsius)

Size (mm) *

Size tolerance (+/- mm) *

Other specifications required

Application

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